你们学校有什么制度?()()do you have at your school?我们必须做些什么?What do we ()（）to do?

Question

填介词
We can't bring our mobile phones ()school?

Answer 1

我来回答 不过要速度采纳！不然别人会来抄的！！！！！！
What regulations 或者 rules do you have at your school?
What do we have need to do ?
We can't bring our mobile phones to school?
神采纳！！！！！！！！！！！！！

Answer 2

1. What rules
2. have to (后面的to多余）
3. into

Answer 3

what rules do you have at your school
what do we must have to do
we can't bring our mobile phones into school本回答被提问者采纳